//package enumerations;// enumerations/People.java
//// (c)2021 MindView LLC: see Copyright.txt
//// We make no guarantees that this code is fit for any purpose.
//// Visit http://OnJava8.com for more book information.
//// {NewFeature} Preview in JDK 17
//// Compile with javac flags:
////   --enable-preview --source 17
//// Run with java flag: --enable-preview
//import java.util.*;
//
//record Person(String name, int age) {}
//
//public class People {
//  static String categorize(Person person) {
//    return switch(person) {
//      case Person p && p.age() > 40          // [1]
//        -> p + " is middle aged";
//      case Person p &&
//        (p.name().contains("D") || p.age() == 14)
//        -> p + " D or 14";
//      case Person p && !(p.age() >= 100)     // [2]
//        -> p + " is not a centenarian";
//      case Person p -> p + " Everyone else";
//    };
//  }
//  public static void main(String[] args) {
//    List.of(
//      new Person("Dorothy", 15),
//      new Person("John Bigboote", 42),
//      new Person("Morty", 14),
//      new Person("Morty Jr.", 1),
//      new Person("Jose", 39),
//      new Person("Kane", 118)
//    ).forEach(
//      p -> System.out.println(categorize(p))
//    );
//  }
//}
///* Output:
//Person[name=Dorothy, age=15] D or 14
//Person[name=John Bigboote, age=42] is middle aged
//Person[name=Morty, age=14] D or 14
//Person[name=Morty Jr., age=1] is not a centenarian
//Person[name=Jose, age=39] is not a centenarian
//Person[name=Kane, age=118] is middle aged
//*/
